2002

Contacts:

Scott Crenshaw NTRU Cryptosystems, Inc. (617) 948-9138 screnshaw@ntru.com

Gregg Moskowitz Blue Spike (212) 725-3974 gregg@bluespike.com

Digital Media On Demand, Inc. Adopts NTRU For Media Distribution Security

DMOD Uses Disposable Keys for Enhanced Security

Boston, MA -- January 19, 2000 -- NTRU Cryptosystems, Inc. today announced a partnership with Digital Media on Demand, Inc. (DMOD) in which DMOD will use NTRU public key encryption technology in its innovative media distribution software.

"NTRU has the most sophisticated encryption technology on the market," said DMOD Chief Operating Officer Brett Fasullo. "Their ability to let us 'encrypt on the fly,' and encrypt up to one key per second of a digital file, is exactly the level of security our customers are demanding. Providing both high speed and high security solutions, NTRU is a perfect fit for us."

NTRU is an innovative public key cryptography system developed by a team of world-renowned mathematicians and cryptographers, including three Brown University mathematics professors. NTRU provides the fastest and most-efficient public key cryptography solution -- for all needs and at all security levels. At the heart of NTRU is a collection of mathematical algorithms based on manipulating lists of very small integers. This allows NTRU to achieve high speeds with the use of minimal computing power.

"DMOD has developed an exceptional solution for online media distribution," said Scott Crenshaw, NTRU's Vice President of Business Development. "We are pleased to be an integral part of their package. DMOD is leading the way for ubiquitous access to music and video over the Internet, and their artists and users now have the best security available."

Disposable Keys

NTRU's speed enables a completely new paradigm in encryption: Disposable Keys, which deliver significantly enhanced security compared to other cryptography systems. In the DMOD application, approximately every second of a music or video clip is encrypted with a different key. This means that on a three-minute clip, the time and cost to break the encryption increases by 180 times, with no performance penalties for users. Unlike other systems which claim to generate multiple encryptions keys to protect media, NTRU disposable keys are completely independent of one another, dramatically enhancing security.

NTRU's speed also enhances server scalability. "With NTRU, we'll be able to support more users with fewer servers," said Dusty Hester, DMOD's Chief Technology Officer. "We can focus our resources on delivering rich content quickly, instead of consuming valuable processing time encrypting data."

Encryption on Demand

"DMOD encrypts each media clip with keys unique to each user, bringing a new level of protection to our content owners," Hester added. "This 'on the fly' encryption helps prevent unauthorized sharing of our media clips. Other systems encrypt media in batch, using the same key for every user, or even for every song. This is another reason why DMOD provides the highest level of protection available and is a direct result of NTRU's speed."

About DMOD

Digital Media On Demand, Inc. (DMOD) is a leader in digital content encryption, distribution and flexible rights-management solutions. Its unique security technology boasts the highest level of encryption available, allowing digital content providers to effectively and safely distribute content via the Internet. The only company encrypting files "on the fly," DMOD offers content developers the ability to mark and protect each second of a digital file with a different encryption "key," making illegal use virtually impossible and extremely time consuming. Based in Allston, Mass., the privately-held company was founded in 1996. DMOD is funded by Greylock, a venture capital firm who has helped launch over 250 companies since 1965 including Red Hat Software, Open Market, Ascend Communications and SightPath. For more information on DMOD, visit http://www.dmod.com/.

About NTRU Cryptosystems

NTRU Cryptosystems, Inc. makes the world's fastest secure public key cryptography solutions operating over 100 times faster than competitive systems including those from Certicom Corporation (Toronto:CIC) and RSA Security (Nasdaq:RSAS) at equivalent security levels. NTRU is the best public key cryptography solution for wireless data communications, digital music and video distribution, e-commerce and embedded applications. Strategic investors include Sony Corporation. For more information, see http://www.ntru.com/ or call NTRU at 888.346.NTRU or 617.948.9138. NTRU is pronounced "En' true."

NTRU, F@stWTLS, the NTRU logo and the F@stWTLS logo are trademarks of NTRU Cryptosystems, Inc. Portions of NTRU's system are the subject of pending patent applications in the US and internationally.

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